body {
    background: #000000;
    color: #00FF00;
    font-family: monospace;
}

.accessGranted {
    position: absolute;
    top: 200px;
    background: #333;
    padding: 20px;
    border: 1px solid #999;
    width: 300px;
    left: 50%;
    margin-left: -150px;
    text-align: center;
}

.accessDenied {
    position: absolute;
    top: 200px;
    color: #F00;
    background: #511;
    padding: 20px;
    border: 1px solid #F00;
    width: 300px;
    left: 50%;
    margin-left: -150px;
    text-align: center;
}